skylight.

FFT2486 Frontier

Airbus A320neo · N402FR · SFO → LAS

· 0:42Quality 48lost lockwrap pinnednose/tailturned left 16°Dead-zone wrap

3D replay

Trace

Where the aircraft sat in the frame, second by second. Click the chart to jump the video there.

—FOV —az —el —pose —
Lock

Events

Tracking metrics

How well the camera kept the aircraft centred. Tap a metric for what it means and what good looks like.

Lockshare of the pass
12%
First lockfrom target selected
14.4 s
Centring, medianaz / el while locked
3.93° / 0.07°
Centring, 90th pctaz / el while locked
5.89° / 0.57°
Tightest field of viewhorizontal
8.3°
Time to 8°from first lock
—
Time to tightestfrom first lock
12.6 s
Time at telefield of view ≤ 5.5°
0.0 s
Jitter at teleaz / el, standard deviation
—
Swing at teleaz / el, peak to peak
—
Pan reversalsper 10 s at tele
—
Largest pan hopin any 1 s at tele
—
Largest tilt hopin any 1 s at tele
—
Pose error, mediancommand vs camera
0.29°
Largest correctionvision vs prediction
0.06°
Zoom steps
29

Aircraft & route

Flight
FFT2486
Registration
N402FR
Type
Airbus A320neo
Airline
Frontier
From
SFO · San Francisco
To
LAS · Las Vegas
Ground speed
347 kt
Altitude at closest
11,350 ft
Vertical rate
+2,688 ft/min
Category
A3
ICAO hex
a4b49c

Pass geometry

Max elevation
21.0°
Elevation at start → end
21.0° → 14.3°
Azimuth at start → end
214° SSW → 198° SSW
Closest-approach azimuth
214° SSW
Minimum slant range
9.7 km
Heading at closest
183° S
Aspect at closest
nose/tail (31°)
Turn
turned left 16°
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
Yes — pan pre-positioned across the stop
Duration
0:42 (42.1 s)
Lock
12%

Build & tuning

The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.

Build
2026-10-14i — zoom sigma grows after lock loss (0.1°/s)
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
21.4 MB · 43.0 s · offset -1.7 s
pursuit
velocity
maxLeadSec
3
panLatencySec
0.6
tiltLatencySec
0.4
rippleDeg
0.5
rippleTeleDeg
0.25
maxSpeedStepFwps
0.45
speedReachFrac
0.8
lockedSigmaDeg
0.35
sigmaGrowthDps
0.1
aimLeadSec
0.59
correctionSlewDps
2.5
kp
1
ki
0.6

This clip and poster are © Skylight (Cameron Paczek): free for non-commercial use with credit to skylightceiling.com, not MIT. License